/* roulang page: index */
:root {
      --color-brand-dark: #0F172A;
      --color-brand-cyan: #0E7490;
      --color-brand-emerald: #10B981;
      --color-bg-light: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--color-bg-light);
      color: #334155;
      overflow-x: hidden;
    }
    .text-balance {
      text-wrap: balance;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 9999px;
    }
    .tab-content {
      display: none;
    }
    .tab-content.active {
      display: block;
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .accordion-content.expanded {
      max-height: 480px;
      transition: max-height 0.4s ease-in;
    }